Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2
A. 
log2m + 
log2n - 
log2k
B. 5 log2m + 9 log2n - 2 log2k
C. 
log2m + 
log2n - 2 log2k
D. 
log2m ? 
log2n ÷ 2 log2k
Answer: C
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Write the sample space for the experiment. Two questions are answered on a questionnaire, the first identifying gender as male or female and the second identifying marital status as single, married, divorced, or widowed.
A. S = {(male, single), (male, married), (male, divorced),(female, married), (female, divorced), 
B. S = {(male, female), (single, married, divorced,widowed)}
C. S = {male, female, single, married, divorced, widowed}
D. S = {(male, single), (male, married), (male, divorced), (male, widowed), (female, single), 
(female, divorced), (female, widowed)}
Evaluate using the order of operations.-3.9 - (2.3)2 - (-4.2)
A. -4.99 B. -13.39 C. 2.81 D. 5.59
Solve the equations.2z2 + 3 = 165
A. ±10 B. ±9 C. 9 D. 82.5
Solve.The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. The helicopter flies for 2 hours and uses 16 gallons of fuel. Find the number of gallons of fuel that the helicopter uses to fly for 5 hours.
A. 48 gallons B. 45 gallons C. 40 gallons D. 10 gallons